/*
 * Copyright (c) 2009, The MilkyTracker Team.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - Neither the name of the <ORGANIZATION> nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 *  SampleLoaderALL.cpp
 *  MilkyPlay
 *
 *  Created by Peter Barth on 14.09.05.
 *
 */

#include "SampleLoaderALL.h"
#include "XMFile.h"
#include "XModule.h"

SampleLoaderALL::SampleLoaderALL (const SYSCHAR* fileName, XModule& theModule) :
    SampleLoaderAbstract(fileName, theModule)
{
}

bool SampleLoaderALL::identifySample()
{
    return getNumChannels() != 0;
}

mp_sint32 SampleLoaderALL::getNumChannels()
{
    return 1;
}

mp_sint32 SampleLoaderALL::loadSample(mp_sint32 index, mp_sint32 channelIndex)
{
    XMFile f(theFileName);

    TXMSample* smp = &theModule.smp[index];

    if (smp->sample)
    {
        theModule.freeSampleMem((mp_ubyte*)smp->sample);
        smp->sample = NULL;
    }

    smp->samplen = f.size();

    // Bigger than 100mb? Probably someone's kidding here...
    if ((unsigned)smp->samplen > 100 * 1024 * 1024)
        smp->samplen = 100 * 1024 * 1024;

    smp->sample = (mp_sbyte*)theModule.allocSampleMem(smp->samplen);

    if (smp->sample == NULL)
        return -7;

    smp->type = 0;
    smp->flags = 3;
    smp->looplen = smp->loopstart = 0;

    nameToSample(preferredDefaultName, smp);

    // assuming signed data
    theModule.loadSample(f, smp->sample, smp->samplen, smp->samplen);
    return 0;
}

mp_sint32 SampleLoaderALL::saveSample(const SYSCHAR* fileName, mp_sint32 index)
{
    TXMSample* smp = &theModule.smp[index];

    XMFile f(fileName, true);

    if (smp->type & 16)
    {
        for (mp_uint32 i = 0; i < smp->samplen; i++)
            f.writeWord(smp->getSampleValue(i));
    }
    else
    {
        for (mp_uint32 i = 0; i < smp->samplen; i++)
            f.writeByte(smp->getSampleValue(i));
    }
    return 0;
}